format_pack.h revision af69d88d 
1/*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (c) 2011 VMware, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25
26#ifndef FORMAT_PACK_H
27#define FORMAT_PACK_H
28
29
30#include "formats.h"
31
32
33/** Pack a GLubyte rgba[4] color to dest address */
34typedef void (*gl_pack_ubyte_rgba_func)(const GLubyte src[4], void *dst);
35
36/** Pack a GLfloat rgba[4] color to dest address */
37typedef void (*gl_pack_float_rgba_func)(const GLfloat src[4], void *dst);
38
39/** Pack a GLfloat Z value to dest address */
40typedef void (*gl_pack_float_z_func)(const GLfloat *src, void *dst);
41
42/** Pack a GLuint Z value to dest address */
43typedef void (*gl_pack_uint_z_func)(const GLuint *src, void *dst);
44
45/** Pack a GLubyte stencil value to dest address */
46typedef void (*gl_pack_ubyte_stencil_func)(const GLubyte *src, void *dst);
47
48
49
50
51extern gl_pack_ubyte_rgba_func
52_mesa_get_pack_ubyte_rgba_function(mesa_format format);
53
54
55extern gl_pack_float_rgba_func
56_mesa_get_pack_float_rgba_function(mesa_format format);
57
58
59extern gl_pack_float_z_func
60_mesa_get_pack_float_z_func(mesa_format format);
61
62
63extern gl_pack_uint_z_func
64_mesa_get_pack_uint_z_func(mesa_format format);
65
66
67extern gl_pack_ubyte_stencil_func
68_mesa_get_pack_ubyte_stencil_func(mesa_format format);
69
70
71
72extern void
73_mesa_pack_float_rgba_row(mesa_format format, GLuint n,
74                          const GLfloat src[][4], void *dst);
75
76extern void
77_mesa_pack_ubyte_rgba_row(mesa_format format, GLuint n,
78                          const GLubyte src[][4], void *dst);
79
80
81extern void
82_mesa_pack_ubyte_rgba_rect(mesa_format format, GLuint width, GLuint height,
83                           const GLubyte *src, GLint srcRowStride,
84                           void *dst, GLint dstRowStride);
85
86extern void
87_mesa_pack_float_z_row(mesa_format format, GLuint n,
88                       const GLfloat *src, void *dst);
89
90extern void
91_mesa_pack_uint_z_row(mesa_format format, GLuint n,
92                      const GLuint *src, void *dst);
93
94extern void
95_mesa_pack_ubyte_stencil_row(mesa_format format, GLuint n,
96                             const GLubyte *src, void *dst);
97
98extern void
99_mesa_pack_uint_24_8_depth_stencil_row(mesa_format format, GLuint n,
100                                       const GLuint *src, void *dst);
101
102
103extern void
104_mesa_pack_colormask(mesa_format format, const GLubyte colorMask[4], void *dst);
105
106#endif
107